In order to lower the comsumption of reagent, the stability experiments of Pb midst standard solution were carried out, which shows that three months storage of the solution has no significant change for the experiments.
In order to lower the comsumption of reagent, the stability experiments of Pb midst standard solution were carried out, which shows that three months storage of the solution has no significant change for the experiments.
为了降低试剂消耗，本文进行了铅中间标准溶液稳定性实验，结果表明，铅中间标准溶液可有效保存三个月，效果令人满意。